I don't know. I guess it's okay to say "nigger" if you're black. But then again, like Ludacris pointed out in that movie "Crash" - white people don't call each other honkeys. So, it's for NAS to decide whether it's moral to refer to your own people in an offending way. Afterall, he might consider the consequnces of this. If his average customer is a person with the dark skin segment (I'm talking about people with chocolate skin), his album will possibly have very low sales.